noun (n)

• a living organism characterized by voluntary movement(noun.tops)

  Synonym:
  animal, animate being, brute, creature, fauna
  

  source: wordnet30
• a cruelly rapacious person(noun.person)

  Synonym:
  brute, savage, wildcat, wolf
  

  source: wordnet30
• Any living creature; an animal; -- including man, insects, etc.(noun)

  source: webster1913